diff options
Diffstat (limited to 'src/google/protobuf/stubs')
-rw-r--r-- | src/google/protobuf/stubs/atomicops.h | 2 | ||||
-rw-r--r-- | src/google/protobuf/stubs/atomicops_internals_generic_gcc.h | 137 | ||||
-rw-r--r-- | src/google/protobuf/stubs/common.h | 10 | ||||
-rw-r--r-- | src/google/protobuf/stubs/platform_macros.h | 8 |
4 files changed, 152 insertions, 5 deletions
diff --git a/src/google/protobuf/stubs/atomicops.h b/src/google/protobuf/stubs/atomicops.h index 32404c23..76c026c9 100644 --- a/src/google/protobuf/stubs/atomicops.h +++ b/src/google/protobuf/stubs/atomicops.h @@ -192,6 +192,8 @@ GOOGLE_PROTOBUF_ATOMICOPS_ERROR #include <google/protobuf/stubs/atomicops_internals_mips_gcc.h> #elif defined(__native_client__) #include <google/protobuf/stubs/atomicops_internals_pnacl.h> +#elif (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)) +#include <google/protobuf/stubs/atomicops_internals_generic_gcc.h> #else GOOGLE_PROTOBUF_ATOMICOPS_ERROR #endif diff --git a/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h b/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h new file mode 100644 index 00000000..e30bb444 --- /dev/null +++ b/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h @@ -0,0 +1,137 @@ +// Copyright 2013 Red Hat Inc. All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Red Hat Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// This file is an internal atomic implementation, use atomicops.h instead. + +#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_ +#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_ + +namespace google { +namespace protobuf { +namespace internal { + +inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + __atomic_compare_exchange_n(ptr, &old_value, new_value, true, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + return old_value; +} + +inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, + Atomic32 new_value) { + return __atomic_exchange_n(ptr, new_value, __ATOMIC_RELAXED); +} + +inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + return __atomic_add_fetch(ptr, increment, __ATOMIC_RELAXED); +} + +inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + return __atomic_add_fetch(ptr, increment, __ATOMIC_SEQ_CST); +} + +inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + __atomic_compare_exchange(ptr, &old_value, &new_value, true, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_value; +} + +inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + __atomic_compare_exchange_n(ptr, &old_value, new_value, true, + __ATOMIC_RELEASE, __ATOMIC_ACQUIRE); + return old_value; +} + +inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { + __atomic_store_n(ptr, value, __ATOMIC_RELAXED); +} + +inline void MemoryBarrier() { + __sync_synchronize(); +} + +inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { + __atomic_store_n(ptr, value, __ATOMIC_ACQUIRE); +} + +inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { + __atomic_store_n(ptr, value, __ATOMIC_RELEASE); +} + +inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { + return __atomic_load_n(ptr, __ATOMIC_RELAXED); +} + +inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { + return __atomic_load_n(ptr, __ATOMIC_ACQUIRE); +} + +inline Atomic32 Release_Load(volatile const Atomic32* ptr) { + return __atomic_load_n(ptr, __ATOMIC_RELEASE); +} + +#ifdef __LP64__ + +inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { + __atomic_store_n(ptr, value, __ATOMIC_RELEASE); +} + +inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { + return __atomic_load_n(ptr, __ATOMIC_ACQUIRE); +} + +inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + __atomic_compare_exchange_n(ptr, &old_value, new_value, true, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_value; +} + +inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + __atomic_compare_exchange_n(ptr, &old_value, new_value, true, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + return old_value; +} + +#endif // defined(__LP64__) + +} // namespace internal +} // namespace protobuf +} // namespace google + +#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_ diff --git a/src/google/protobuf/stubs/common.h b/src/google/protobuf/stubs/common.h index 0c79fae3..800b7004 100644 --- a/src/google/protobuf/stubs/common.h +++ b/src/google/protobuf/stubs/common.h @@ -113,24 +113,24 @@ namespace internal { // The current version, represented as a single integer to make comparison // easier: major * 10^6 + minor * 10^3 + micro -#define GOOGLE_PROTOBUF_VERSION 2005001 +#define GOOGLE_PROTOBUF_VERSION 2006000 // The minimum library version which works with the current version of the // headers. -#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 2005001 +#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 2006000 // The minimum header version which works with the current version of // the library. This constant should only be used by protoc's C++ code // generator. -static const int kMinHeaderVersionForLibrary = 2005001; +static const int kMinHeaderVersionForLibrary = 2006000; // The minimum protoc version which works with the current version of the // headers. -#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 2005001 +#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 2006000 // The minimum header version which works with the current version of // protoc. This constant should only be used in VerifyVersion(). -static const int kMinHeaderVersionForProtoc = 2005001; +static const int kMinHeaderVersionForProtoc = 2006000; // Verifies that the headers and libraries are compatible. Use the macro // below to call this. diff --git a/src/google/protobuf/stubs/platform_macros.h b/src/google/protobuf/stubs/platform_macros.h index 30604782..1705b416 100644 --- a/src/google/protobuf/stubs/platform_macros.h +++ b/src/google/protobuf/stubs/platform_macros.h @@ -65,6 +65,14 @@ #elif defined(__ppc__) #define GOOGLE_PROTOBUF_ARCH_PPC 1 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 +#elif defined(__GNUC__) && \ + (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)) +// We fallback to the generic GCC >= 4.7 implementation in atomicops.h +# if __LP64__ +# define GOOGLE_PROTOBUF_ARCH_64_BIT 1 +# else +# define GOOGLE_PROTOBUF_ARCH_32_BIT 1 +# endif #else #error Host architecture was not detected as supported by protobuf #endif |